Exercise 2: Biceps

Place your foot in the middle of the elastic, on the transparent support, and take one step backwards with the other foot. With your knees slightly bent, resting on your back foot, your glutes and stomach muscles flexed.Fold your arms and bring them up to shoulder level. Alternate the movement with the other arm. Keep your elbows slightly flexed until the end of the extension.Exhale fully while you perform the flexing movement.